// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package org.apache.doris.planner;

import org.apache.doris.analysis.LiteralExpr;
import org.apache.doris.catalog.PartitionKey;

import com.google.common.base.MoreObjects;
import com.google.common.base.Objects;
import com.google.common.collect.Lists;

public class ColumnBound implements Comparable<ColumnBound> {
    private final LiteralExpr value;

    private ColumnBound(LiteralExpr value) {
        this.value = value;
    }

    @Override
    public int compareTo(ColumnBound o) {
        return PartitionKey.compareLiteralExpr(this.value, o.value);
    }

    public static ColumnBound of(LiteralExpr expr) {
        return new ColumnBound(expr);
    }

    public LiteralExpr getValue() {
        return value;
    }

    @Override
    public String toString() {
        return MoreObjects.toStringHelper(this)
            .add("value", PartitionKey.toString(Lists.newArrayList(value)))
            .toString();
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        ColumnBound that = (ColumnBound) o;
        return Objects.equal(value, that.value);
    }

    @Override
    public int hashCode() {
        return Objects.hashCode(value);
    }
}
